Our company is engaged in research and implementing work to improve the aerodynamic and energy characteristics of the rotary type wind power plants. We also design and install various types of wind power stations produced by modern industry to provide a variety of residential and industrial purposes by autonomous energy supply. Eco Fortis design power plants with simultaneous use of both, wind and solar energy.

Wind Energy

Wind is a form of solar energy. Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth’s surface, and rotation of the earth. Wind flow patterns are modified by the earth’s terrain, bodies of water, and vegetative cover. This wind flow, or motion energy, when “harvested” by modern wind turbines, can be used to generate electricity.

The terms “wind energy” or “wind power” describe the process by which the wind is used to generate mechanical power or electricity. Wind turbines convert the kinetic energy of the wind into mechanical power.

This mechanical power can be used for specific tasks (such as grinding grain or pumping water) or a generator can convert this mechanical power into electricity to power homes, businesses, schools, and the like.

Modern wind turbines fall into two basic groups; the horizontal-axis variety, like the traditional farm windmills used for pumping water, and the vertical-axis design, like the eggbeater-style Darrieus model, named after its French inventor. Most large modern wind turbines are horizontal-axis turbines.

Installations that use wind energy are classified by the position of the rotation axis as the ones of horizontal axis and vertical axis. The most widely spread are horizontally axial installations. This happened due to the rapid development of military aviation and shipbuilding in the beginning of 20-s of XX century. To finance the development of a theoretical base of aircraft and ship propellers, huge funds were allocated in the leading countries of the world such as USA, UK, Germany, Japan and the USSR. This funding has continued for nearly 80 years up to present times. The type of a modern wind turbine has been dictated by these circumstances, since impellers have been a byproduct of theoretical and practical development of propellers. Nowadays, anyone who is interested in windmills will say that the efficiency of horizontal axis impeller (blade wind turbine) is within 0.6 – 0.7, and «clumsy» vertical axis one- up to 0.39. However, the research of the author of this article refutes these parameters. Actually, the theoretical efficiency factor of a blade wind turbine, according to one of the founders of Fluid Dynamics E. Zhukovsky, is 0.593. The real efficiency of a modern wind turbine, according to independent experts, is 0.42 – 0.43, which is very close to the value of 0.39 of a vertical axis wind turbine. But, according to the author of this article, the unenviable fate of vertical axis rotors has been determined by their impracticality, especially in aviation. To determine the correct shape of propellers and to test them in laboratory conditions, wind tunnels have been created. Theoretical errors in the simulation in... read more